int x = 0;

int main() {
    switch (x)
    case 0:;
        switch (x)
        case 0:
            switch (x) {
            case 0:
                goto next;
            default:
                return 1;
            }
    return 1;
next:
    switch (x)
    case 1:
        return 1;
    switch (x) {
        {
            x = 1 + 1;
        foo:
        case 1:
            return 1;
        }
    }
    switch (x) {
    case 0:
        return x;
    case 1:
        return 1;
    default:
        return 1;
    }
}
